NL129847C - - Google Patents

Info

Publication number
NL129847C
NL129847C NL129847DA NL129847C NL 129847 C NL129847 C NL 129847C NL 129847D A NL129847D A NL 129847DA NL 129847 C NL129847 C NL 129847C
Authority
NL
Netherlands
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication of NL129847C publication Critical patent/NL129847C/xx

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C313/00—Sulfinic acids; Sulfenic acids; Halides, esters or anhydrides thereof; Amides of sulfinic or sulfenic acids, i.e. compounds having singly-bound oxygen atoms of sulfinic or sulfenic groups replaced by nitrogen atoms, not being part of nitro or nitroso groups
    • C07C313/08—Sulfenic acids; Derivatives thereof
    • C07C313/10—Sulfenic acids; Esters thereof
    • C07C313/16—Sulfenic acids; Esters thereof having sulfur atoms of sulfenic groups bound to carbon atoms of six-membered aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06—Preparation of nitro compounds
    • C07C201/12—Preparation of nitro compounds by reactions not involving the formation of nitro groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
    • C07C205/44—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by —CHO groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C213/00—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
    • C07C303/02—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof
    • C07C303/22—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof from sulfonic acids, by reactions not involving the formation of sulfo or halosulfonyl groups; from sulfonic halides by reactions not involving the formation of halosulfonyl groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C313/00—Sulfinic acids; Sulfenic acids; Halides, esters or anhydrides thereof; Amides of sulfinic or sulfenic acids, i.e. compounds having singly-bound oxygen atoms of sulfinic or sulfenic groups replaced by nitrogen atoms, not being part of nitro or nitroso groups
    • C07C313/02—Sulfinic acids; Derivatives thereof
    • C07C313/04—Sulfinic acids; Esters thereof
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C319/00—Preparation of thiols, sulfides, hydropolysulfides or polysulfides
    • C07C319/02—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of thiols
    • C07C319/12—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of thiols by reactions not involving the formation of mercapto groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/01—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis
    • C07C37/055—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis the substituted group being bound to oxygen, e.g. ether group
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C39/00—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring
    • C07C39/12—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring polycyclic with no unsaturation outside the aromatic rings
    • C07C39/17—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring polycyclic with no unsaturation outside the aromatic rings containing other rings in addition to the six-membered aromatic rings, e.g. cyclohexylphenol
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • C07C45/673—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by change of size of the carbon skeleton
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
    • C07C51/367—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by introduction of functional groups containing oxygen only in singly bound form
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C65/00—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
    • C07C65/01—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups containing hydroxy or O-metal groups
    • C07C65/03—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups containing hydroxy or O-metal groups monocyclic and having all hydroxy or O-metal groups bound to the ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NL129847D 1961-06-21 NL129847C (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US118514A US3256336A (en) 1961-06-21 1961-06-21 Cleavage of alkyl o-hydroxyphenyl ethers

Publications (1)

Publication Number Publication Date
NL129847C true NL129847C (xx)

Family

ID=22379077

Family Applications (2)

Application Number Title Priority Date Filing Date
NL129847D NL129847C (xx) 1961-06-21
NL279980D NL279980A (xx) 1961-06-21

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL279980D NL279980A (xx) 1961-06-21

Country Status (5)

Country Link
US (1) US3256336A (xx)
DE (1) DE1182662B (xx)
GB (1) GB967605A (xx)
NL (2) NL279980A (xx)
NO (1) NO107714C (xx)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3642622A (en) * 1970-10-27 1972-02-15 Texaco Inc Drilling fluid
US3970707A (en) * 1974-04-11 1976-07-20 Vasily Ivanovich Shvedov Method for preparing 3,5,3',5'-tetrabromo-2,4,2',4'-tetraoxydiphenyl
US4172960A (en) * 1975-06-28 1979-10-30 Fisons Limited Process for preparing pyrogallol
US4060561A (en) * 1976-09-20 1977-11-29 Continental Oil Company Method for the preparation of trimethylhydroquinone
US4093667A (en) * 1977-03-14 1978-06-06 Continental Oil Company Preparation of 4-n-hexylresorcinol
US4476330A (en) * 1978-08-16 1984-10-09 Mobil Oil Corporation Conversion of ethers using a zeolite catalyst
FR2513631A1 (fr) * 1981-09-29 1983-04-01 Rhone Poulenc Spec Chim Procede d'hydrolyse d'ethers aryl-aliphatiques
ES532455A0 (es) * 1983-05-13 1985-06-16 Yamanouchi Pharma Co Ltd Un procedimiento para la produccion de un derivado de catecol
SE458033B (sv) * 1984-10-22 1989-02-20 Chemical Dynamics Dev Ab Metod foer dealkylering av alkyl-aryl-etrar
US5236952A (en) * 1986-03-11 1993-08-17 Hoffmann-La Roche Inc. Catechol derivatives
GB9113431D0 (en) * 1991-06-20 1991-08-07 Orion Yhytma Oy Method for the preparation of 3,4-dihydroxy-5-nitrobenzaldehyde
GB9419274D0 (en) * 1994-09-23 1994-11-09 Orion Yhtymae Oy New method for the preparation of 3,4-dihydroxy-5-nitrobenzaldehyde
FR2921921B1 (fr) * 2007-10-03 2011-08-19 Clariant Specialty Fine Chem F Procede de synthese de composes polyhydroxystilbeniques.
EP2874980B1 (en) 2012-07-19 2017-11-22 Laurus Labs Limited Improved process for preparation of 2,3-dihydroxy benzonitrile
CN104072362A (zh) * 2014-07-15 2014-10-01 吴学民 一种抗病毒化合物原儿茶酸的合成工艺
CN107118128B (zh) * 2017-04-25 2020-04-21 常州佳德医药科技有限公司 3,4-二羟基苯甲腈的制备方法
CN108821955B (zh) * 2018-05-24 2021-05-18 荆楚理工学院 一种通过脱除邻香兰素的甲基制备2,3-二羟基苯甲醛的方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2100228A (en) * 1936-05-27 1937-11-23 Du Pont Process for the dealkylation of alkyl-aryl ethers
US2878292A (en) * 1955-06-20 1959-03-17 Crown Zellerbach Corp Purification of bourbonal

Also Published As

Publication number Publication date
DE1182662B (de) 1964-12-03
US3256336A (en) 1966-06-14
GB967605A (en) 1964-08-26
NO107714C (xx)
NL279980A (xx)

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